About: Detailed measurements of poloidal velocity of density and floating potential fluctuations in the edge plasma of the CASTOR tokamak

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About: Detailed measurements of poloidal velocity of density and floating potential fluctuations in the edge plasma of the CASTOR tokamak Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	V okrajovém plazmatu tokamaku CASTOR se měří iontový nasycený proud a plovoucí potenciál dvěma řadami Langmuirových sond s vysokým časovým (1 micro s) a prostorovým (2,5 mm) rozlišením. Z naměřených dat se určí radiální elektrické pole a fázová rychlost fluktuací plazmatu. V radiálním profilu obou těchto veličin je patrný střih v okolí posledního uzavřeného magnetického povrchu. V této oblasti byl zaznamenán mírný pokles úrovně fluktuací. (cs) The ion saturation current and floating potential are measured with high temporal (1 micro s) and spatial (2.5 mm) resolutions within the edge plasma of CASTOR tokamak by two poloidally spaced radial arrays of Langmuir probes. The radial electric field and the phase velocity of plasma fluctuations are determined. It is found that radial profiles of both of these quantities are strongly sheared in the proximity of the last closed flux surface. In the proximity of the VSL, the shearing rate is higher than the characteristic frequency of plasma fluctuation and reduction of fluctuation level is observed. The ion saturation current and floating potential are measured with high temporal (1 micro s) and spatial (2.5 mm) resolutions within the edge plasma of CASTOR tokamak by two poloidally spaced radial arrays of Langmuir probes. The radial electric field and the phase velocity of plasma fluctuations are determined. It is found that radial profiles of both of these quantities are strongly sheared in the proximity of the last closed flux surface. In the proximity of the VSL, the shearing rate is higher than the characteristic frequency of plasma fluctuation and reduction of fluctuation level is observed. (en)
Title	Detailed measurements of poloidal velocity of density and floating potential fluctuations in the edge plasma of the CASTOR tokamak Detailed measurements of poloidal velocity of density and floating potential fluctuations in the edge plasma of the CASTOR tokamak (en) Detailní měření poloidální rychlosti fluktuací hustoty a plovoucího potenciálu v okrajovém plazmatu tokamaku CASTOR (cs)
skos:prefLabel	Detailed measurements of poloidal velocity of density and floating potential fluctuations in the edge plasma of the CASTOR tokamak Detailed measurements of poloidal velocity of density and floating potential fluctuations in the edge plasma of the CASTOR tokamak (en) Detailní měření poloidální rychlosti fluktuací hustoty a plovoucího potenciálu v okrajovém plazmatu tokamaku CASTOR (cs)
skos:notation	RIV/61389021:_____/08:00319285!RIV09-AV0-61389021
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z20430508)
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Stöckel, Jan Horáček, Jan Hron, Martin Ďuran, Ivan Brotánková, Jana
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	362771
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/08:00319285
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Tokamak; turbulence; edge plasma; velocity shear (en)
http://linked.open.../riv/klicoveSlovo	edge plasma turbulence Tokamak velocity shear
http://linked.open...ontrolniKodProRIV	[F0A25AD610CE]
http://linked.open...v/mistoKonaniAkce	Praha
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	WDS'08 - Proceedings of Contributed Papers
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Horáček, Jan Stöckel, Jan Hron, Martin Ďuran, Ivan Brotánková, Jana
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2008-06-03 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
number of pages	268 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Matfyzpress
https://schema.org/isbn	978-80-7378-066-1

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